Intel Pentium D 920 vs Intel Pentium D 840

Comparative analysis of Intel Pentium D 920 and Intel Pentium D 840 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Pentium D 920

Intel Pentium D 840

Differences

Reasons to consider the Intel Pentium D 920

CPU is newer: launch date 8 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 65 nm vs 90 nm
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 37% lower typical power consumption: 95 Watt vs 130 Watt

Launch date	January 2006 vs May 2005
Manufacturing process technology	65 nm vs 90 nm
L2 cache	4096 KB vs 2048 KB
Thermal Design Power (TDP)	95 Watt vs 130 Watt

Reasons to consider the Intel Pentium D 840

Around 14% higher clock speed: 3.2 GHz vs 2.8 GHz
Around 10% higher maximum core temperature: 69.8°C vs 63.4°C
Around 4% better performance in Geekbench 4 - Single Core: 186 vs 179
Around 1% better performance in Geekbench 4 - Multi-Core: 309 vs 307

Specifications (specs)
Maximum frequency	3.2 GHz vs 2.8 GHz
Maximum core temperature	69.8°C vs 63.4°C
Benchmarks
Geekbench 4 - Single Core	186 vs 179
Geekbench 4 - Multi-Core	309 vs 307

Compare benchmarks

CPU 1: Intel Pentium D 920
CPU 2: Intel Pentium D 840

Geekbench 4 - Single Core

CPU 1

CPU 2

179

186

Geekbench 4 - Multi-Core

CPU 1

CPU 2

307

309

Name	Intel Pentium D 920	Intel Pentium D 840
Geekbench 4 - Single Core	179	186
Geekbench 4 - Multi-Core	307	309

Compare specifications (specs)

	Intel Pentium D 920	Intel Pentium D 840
Essentials
Architecture codename	Presler	Smithfield
Launch date	January 2006	May 2005
Place in performance rating	3291	3288
Processor Number	920	840
Series	Legacy Intel® Pentium® Processor	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.80 GHz	3.20 GHz
Bus Speed	800 MHz FSB	800 MHz FSB
Die size	162 mm2	206 mm2
L1 cache	28 KB	28 KB
L2 cache	4096 KB	2048 KB
Manufacturing process technology	65 nm	90 nm
Maximum core temperature	63.4°C	69.8°C
Maximum frequency	2.8 GHz	3.2 GHz
Number of cores	2	2
Transistor count	376 million	230 million
VID voltage range	1.200V-1.3375V	1.200V-1.400V
Memory
Supported memory types	DDR1, DDR2, DDR3	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Sockets supported	PLGA775	PLGA775
Thermal Design Power (TDP)	95 Watt	130 Watt
Package Size		37.5mm x 37.5mm
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Turbo Boost technology
Thermal Monitoring
Intel® Hyper-Threading technology
Physical Address Extensions (PAE)		32-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)